Magnetic field changes in the human brain due to swallowing or speaking.

@article{Birn1998MagneticFC,
  title={Magnetic field changes in the human brain due to swallowing or speaking.},
  author={Rasmus M. Birn and Peter A. Bandettini and Robert W. Cox and Andrzej Jesmanowicz and Reza Shaker},
  journal={Magnetic resonance in medicine},
  year={1998},
  volume={40 1},
  pages={55-60}
}
Variations in the magnetic field in the human brain caused by the processes of swallowing or speaking are measured. In both processes, motion of the pharyngeal muscles, especially the tongue and jaw, alter the susceptibility-induced magnetic field distribution at the brain slice being imaged. This leads to image warping, compromising the analysis of a time series of images, such as in functional magnetic resonance imaging (fMRI). These dynamic changes are assessed by acquiring a time series of… CONTINUE READING

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